babyfacc babyfacc

08-03-2019
Mathematics

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the sum of two numbers is 23.The larger number y is 1 less than twice the number x.

Respuesta :

234483279c20 234483279c20

08-03-2019

Answer: a+(2a-1)=23

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cactus2 cactus2

08-03-2019

two equations
23=y+x and y=2x-1

fill in the y and solve

23= 2x-1+x
23=3x-1
+1 +1
24=3x
÷3. ÷3
8=x

fill in the second equation for y

y =2x-1
y=2(8)-1
y=16-1
y=15

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